Home / 11,208,969-16,813,469.70-3,121,967.88

Finding the Fourth Proportional to 11,208,969, 16,813,469.70 and 3,121,967.88

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Solution

The fourth proportional to 11,208,969, 16,813,469.70 and 3,121,967.88 is: 4,682,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208,969 : 16,813,469.70 = 3,121,967.88 : x
  2. Step 2: Convert to fraction form
    11,208,969/16,813,469.70 = 3,121,967.88/x
  3. Step 3: Cross multiply
    11,208,969x = 16,813,469.70 × 3,121,967.88
  4. Step 4: Simplify right side
    11,208,969x = 52,491,112,354,753.23
  5. Step 5: Solve for x
    x = 52,491,112,354,753.23/11,208,969
  6. Step 6: Final answer
    x = 4,682,956.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.